Horizon investigates whether first contact with aliens has already occurred. The publication of 'Chariots of the Gods?' by Erich von Daniken is central to this documentary and some of von Daniken's claims of evidence of extra-terrestrial visitations.
Released: Nov 25, 1977
Runtime: 50 minutes
Genre: Documentary
Stars: Don Wescott, Carl Sagan, Erich von Däniken
Crew: Graham Massey (Producer), Graham Massey (Writer), John Angier (Executive Producer)